I have pain and sensitivity in suture line and above during sleeping position, is this normal?

Little over two weeks ago, I have FUE hair transplant and the suture has been removed already. Normally, I do not feel any problem in suture line, like when I move my neck. However, I have a problem during sleep, I cannot keep my support my head on pillow on back because of pain/sensitivity in suture line as well as the area on top of it. I have to sleep sidewise and it disturbs my regular sleep. I was wondering if it is normal or how long it takes to be normal. Thank you.